i386/90641: top not show 2 CPU

[S.Batakov]

>Number:         90641
>Category:       i386
>Synopsis:       top not show 2 CPU
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-i386
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Dec 19 08:20:07 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     S.Batakov
>Release:        6.0
>Organization:
>Environment:
FreeBSD lartnec.dmz 6.0-RELEASE FreeBSD 6.0-RELEASE #0: Thu Nov 24 20:18:39 MSK 2005     root at lartnec.dmz:/usr/src/sys/i386/compile/SMP  i386       
>Description:
I have never see CPU #1 work or not.

lartnec# top

last pid: 66813;  load averages:  1.37,  1.09,  1.07                                    up 23+21:36:14  11:11:37
161 processes: 1 running, 160 sleeping
CPU states: 23.0% user,  0.0% nice,  9.8% system,  0.0% interrupt, 67.3% idle
Mem: 206M Active, 1187M Inact, 213M Wired, 51M Cache, 112M Buf, 344M Free
Swap: 2048M Total, 2048M Free

  PID USERNAME  THR PRI NICE   SIZE    RES STATE  C   TIME   WCPU COMMAND
66662 nagios      1  96    0  3260K  2728K select 0   0:00  1.08% snmpwalk
66679 nagios      1  96    0  3260K  2728K select 0   0:00  0.81% snmpwalk
66680 nagios      1  96    0  3260K  2728K select 0   0:00  0.81% snmpwalk
66596 nagios      1  96    0  3260K  2728K select 0   0:00  0.75% snmpwalk
66659 nagios      1  96    0  3260K  2728K select 0   0:00  0.66% snmpwalk
66609 nagios      1  96    0  3260K  2728K select 0   0:00  0.56% snmpwalk
62885 cacti       1  -8    0 15884K 15184K piperd 0   0:02  0.49% php
66656 nagios      1  96    0  3260K  2728K select 0   0:00  0.44% snmpwalk
66633 nagios      1  96    0  3260K  2728K select 0   0:00  0.44% snmpwalk
66661 nagios      1  96    0  3260K  2728K select 0   0:00  0.44% snmpwalk





Copyright (c) 1992-2005 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
        The Regents of the University of California. All rights reserved.
FreeBSD 6.0-RELEASE #0: Thu Nov 24 20:18:39 MSK 2005
    root at lartnec.dmz:/usr/src/sys/i386/compile/SMP
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Xeon(TM) CPU 2.40GHz (2392.95-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0xf27  Stepping = 7
  Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MM
X,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
  Features2=0x400<CNTX-ID>
  Hyperthreading: 2 logical CPUs
real memory  = 2147418112 (2047 MB)
avail memory = 2096447488 (1999 MB)
ACPI APIC Table: <AMIINT AMIINI09>
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP): APIC ID:  1
ioapic3: Changing APIC ID to 10
ioapic4: Changing APIC ID to 11
ioapic4: WARNING: intbase 96 != expected base 328
ioapic0 <Version 2.0> irqs 0-23 on motherboard
ioapic1 <Version 2.0> irqs 24-47 on motherboard
ioapic2 <Version 2.0> irqs 48-71 on motherboard
ioapic3 <Version 15.15> irqs 72-71 on motherboard
ioapic4 <Version 15.15> irqs 96-95 on motherboard
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
acpi0: <AMIINT AMIINI09> on motherboard
acpi0: Overriding SCI Interrupt from IRQ 9 to IRQ 20
acpi0: Power Button (fixed)
pci_link0: <ACPI PCI Link LNKA> irq 10 on acpi0
pci_link1: <ACPI PCI Link LNKB> irq 0 on acpi0
pci_link2: <ACPI PCI Link LNKC> irq 9 on acpi0
pci_link3: <ACPI PCI Link LNKD> irq 0 on acpi0
pci_link4: <ACPI PCI Link LNKE> irq 0 on acpi0
pci_link5: <ACPI PCI Link LNKF> irq 0 on acpi0
pci_link6: <ACPI PCI Link LNKG> irq 0 on acpi0
pci_link7: <ACPI PCI Link LNKH> irq 0 on acpi0
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
cpu0: <ACPI CPU> on acpi0
acpi_throttle0: <ACPI CPU Throttling> on cpu0
cpu1: <ACPI CPU> on acpi0
acpi_throttle1: <ACPI CPU Throttling> on cpu1
acpi_throttle1: failed to attach P_CNT
device_attach: acpi_throttle1 attach returned 6
acpi_button0: <Power Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib1: <ACPI PCI-PCI bridge> at device 4.0 on pci0
pci2: <ACPI PCI bus> on pcib1
pci2: <base peripheral, interrupt controller> at device 28.0 (no driver attached)
pcib2: <ACPI PCI-PCI bridge> at device 29.0 on pci2
pci4: <ACPI PCI bus> on pcib2
em0: <Intel(R) PRO/1000 Network Connection, Version - 2.1.7> port 0xb800-0xb83f mem 0xefda0000-0xefdbffff irq 48 
at device 2.0 on pci4
em0: Ethernet address: 00:0d:61:6e:f9:aa
em0:  Speed:N/A  Duplex:N/A
em1: <Intel(R) PRO/1000 Network Connection, Version - 2.1.7> port 0xbc00-0xbc3f mem 0xefdc0000-0xefddffff irq 49 
at device 3.0 on pci4
em1: Ethernet address: 00:0d:61:6e:f9:ab
em1:  Speed:N/A  Duplex:N/A
iir0: <Intel Integrated RAID Controller> mem 0xed8fc000-0xed8fffff irq 54 at device 5.0 on pci4
iir0: [GIANT-LOCKED]
pci2: <base peripheral, interrupt controller> at device 30.0 (no driver attached)
pcib3: <ACPI PCI-PCI bridge> at device 31.0 on pci2
pci3: <ACPI PCI bus> on pcib3
pcib4: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci1: <ACPI PCI bus> on pcib4
pci1: <display, VGA> at device 9.0 (no driver attached)
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH3 UDMA100 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xff00-0xff0f at device 31.1 on
 pci0
ata0: <ATA channel 0> on atapci0
ata1: <ATA channel 1> on atapci0
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
fdc0: <floppy drive controller> port 0x3f2-0x3f3,0x3f4-0x3f5,0x3f7 irq 6 drq 2 on acpi0
fdc0: [FAST]
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
sio0: type 16550A
sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem 0xc0000-0xc7fff,0xcd000-0xce7ff,0xce800-0xcffff on isa0
ppc0: parallel port not found.
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounters tick every 1.000 msec
acd0: CDROM <SR244W/T01A> at ata0-master UDMA33
Waiting 5 seconds for SCSI devices to settle
da0 at iir0 bus 2 target 0 lun 0
da0: <Intel Host Drive   #00 > Fixed Direct Access SCSI-2 device 
da0: Tagged Queueing Enabled
da0: 69970MB (143299800 512 byte sectors: 255H 63S/T 8920C)
SMP: AP CPU #1 Launched!
Trying to mount root from ufs:/dev/da0s1a
>How-To-Repeat:
              
>Fix:
              
>Release-Note:
>Audit-Trail:
>Unformatted: